tailodds FORECAST
Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026

San Francisco → Dulles via Salt Lake City: arrives on time 81%

  1. 09:55 SFO → 12:44 SLC
    DL 920 · Delta · 1h 53m · 78% on time, 1.7% cancelled
  2. 4h 46m layover in Salt Lake City (SLC) · 45 min minimum on one ticket
  3. 17:30 SLC → 23:30 IAD
    DL 847 · Delta · 4h 00m · 84% on time, 1.6% cancelled

Total trip 10h 35m, scheduled departure to arrival (Dulles is 3 h ahead of San Francisco). Times are local. Both flew on 56 of the last 56 days.

Makes the connection99%The first flight arrived more than 241 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 4h 46m layover.
Arrives on time81%First flight not cancelled (1.7% are) × connection made (99%) × second flight not cancelled (1.6% are) and within 15 minutes (84%).
Total trip10h 35mSFO 09:55 to IAD 23:30, layover included

Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.